diff --git a/src/security/pib/pib-sqlite3.hpp b/src/security/pib/pib-sqlite3.hpp
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+++ b/src/security/pib/pib-sqlite3.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_SECURITTY_PIB_PIB_SQLITE3_HPP
+#define NDN_SECURITTY_PIB_PIB_SQLITE3_HPP
+
+#include "pib-impl.hpp"
+
+struct sqlite3;
+
+namespace ndn {
+namespace security {
+
+/**
+ * @brief Pib backend implementation based on SQLite3 database
+ *
+ * All the contents in Pib are stored in a SQLite3 database file.
+ * This backend provides more persistent storage than PibMemory.
+ */
+class PibSqlite3 : public PibImpl
+{
+public:
+  /**
+   * @brief Constructor of PibSqlite3
+   *
+   * This method will create a SQLite3 database file under the directory @p dir.
+   * If the directory does not exist, it will be created automatically.
+   * It assumes that the directory does not contain a PIB database of an older version,
+   * It is user's responsibility to update the older version database or remove the database.
+   *
+   * @param dir The directory where the database file is located. By default, it points to the
+   *        $HOME/.ndn directory.
+   * @throws PibImpl::Error when initialization fails.
+   */
+  explicit
+  PibSqlite3(const std::string& dir = "");
+
+  /**
+   * @brief Destruct and cleanup internal state
+   */
+  ~PibSqlite3();
+
+public: // TpmLocator management
+
+  void
+  setTpmLocator(const std::string& tpmLocator) final;
+
+  std::string
+  getTpmLocator() const final;
+
+public: // Identity management
+
+  bool
+  hasIdentity(const Name& identity) const final;
+
+  void
+  addIdentity(const Name& identity) final;
+
+  void
+  removeIdentity(const Name& identity) final;
+
+  std::set<Name>
+  getIdentities() const final;
+
+  void
+  setDefaultIdentity(const Name& identityName) final;
+
+  Name
+  getDefaultIdentity() const final;
+
+public: // Key management
+
+  bool
+  hasKey(const Name& identity, const name::Component& keyId) const final;
+
+  void
+  addKey(const Name& identity, const name::Component& keyId, const v1::PublicKey& publicKey) final;
+
+  void
+  removeKey(const Name& identity, const name::Component& keyId) final;
+
+  v1::PublicKey
+  getKeyBits(const Name& identity, const name::Component& keyId) const final;
+
+  std::set<name::Component>
+  getKeysOfIdentity(const Name& identity) const final;
+
+  void
+  setDefaultKeyOfIdentity(const Name& identity, const name::Component& keyId) final;
+
+  name::Component
+  getDefaultKeyOfIdentity(const Name& identity) const final;
+
+public: // Certificate Management
+
+  bool
+  hasCertificate(const Name& certName) const final;
+
+  void
+  addCertificate(const v1::IdentityCertificate& certificate) final;
+
+  void
+  removeCertificate(const Name& certName) final;
+
+  v1::IdentityCertificate
+  getCertificate(const Name& certName) const final;
+
+  std::set<Name>
+  getCertificatesOfKey(const Name& identity, const name::Component& keyId) const final;
+
+  void
+  setDefaultCertificateOfKey(const Name& identity, const name::Component& keyId,
+                             const Name& certName) final;
+
+  v1::IdentityCertificate
+  getDefaultCertificateOfKey(const Name& identity, const name::Component& keyId) const final;
+
+private:
+  sqlite3* m_database;
+};
+
+} // namespace security
+} // namespace ndn
+
+#endif // NDN_SECURITTY_PIB_PIB_SQLITE3_HPP